The treatment of the edentulous jaw can be a mixture of placing implants in healed and fresh extraction sockets. Unequal hard and soft tissue levels around the implants (Fig. 1&2), especially in the interforaminal region, can be adjusted by leveling the bone...

Parafunctional activities can apply high forces to both implant and prosthetic components. These forces can lead to fracture or loosening of screws and abutments, chipping of the veneering material or fracture of the prosthetic reconstruction...